The LB-2 is an 8 ohm device. Be sure to connect its AMP IN jack to the proper output on your amplifier to avoid damage. Mismatching impedance can result in damage to your amp. The maximum power rating of the LB-2 is 100W. Do not connect the LB-2 to any amplifier that is rated greater than 100W as this can damage the LB-2 and/or the amp.
The X-Load LB-2 Load Box represents the pinnacle of speaker emulation technology for live use or recording. It allows you to use a traditional tube amp without connecting a speaker cabinet. The X-Load LB-2 provides an 8 load (100W maximum) while outputting a balanced or unbalanced line level signal.
Unlike other load boxes and attenuators the X-Load LB-2 uses Fractal Audio Systems' Dynamic Impedance technology to create a level of realism never achievable before. Record your amp in its sweet spot without deafening volume, or get great tone consistently without the hassles of a speaker cab and microphone setup.
It is important to note that the X-Load LB-2 does NOT simulate the characteristic sound of a loudspeaker. This is done by routing your DI Amp signal through speaker simulation hardwarelike that found in our award-winning Axe-Fx or AX8 productsor software, like our Cab-Lab application/plugin.
The X-Load LB-2 features a Speaker Thru jack so you can connect a real speaker while also feeding line signal to a recorder or speaker simulator.
The Voicing switch shifts the resonance of the load. The UK setting is characteristic of the typical British guitar speaker, while the US position replicate the lower resonance of a typical American guitar speakers.
The product manual is available here.
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I decided to go with the x load based on charts that show the impedance curves for several load boxes. The x load does come very close compared to others at matching the impedance curve. I’ve tested it out compared to my captor and it works very well. I am happy I went with this load box. I use it with a Mesa boogie roadking 2 and it feels like I brought my amp back to life again.
I have owned many reactive load boxes..including the Boss TAE..Fryette PS2…Fryette PS100..Two Notes Captor…Suhr Reactive Load..and finally,the Fractal X-Load…the X-Load is hands down my favorite…I use it to load down my amp and insert it into the AxeFXIII…my amp feels and sounds like it’s connected to a real speaker cab with the X-Load…the Suhr is good too,the Two Notes was terrible,the Boss and Fryette were good,but I didn’t need the extra stuff…The Fractal is the best one out of the bunch…..it is one of the most useful pieces of gear I own….Love this thing..